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Guide outlining how to retrofit an exterior wall and/or attic to provide continuous air sealing.

Guide describing ways to retrofit an existing roof to increase its resistance to damage during hurricanes, high winds, and earthquakes.

Guide describing how to install and properly integrate flashing at the intersection of the wall and roof on an existing home.

Guide describing how to increase insulation in existing homes by installing batt insulation on the ceiling plane of a vented attic.

Guide describing how to brace gable end walls to resist wind pressures.

Guide describing techniques for installing insulating sheathing as a continuous drainage plane on walls.

Guide describing installation of a fully sealed continuous weather resistant barrier to provide a drainage plane to keep rainwater out of above-grade walls.